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- Model NO.: DN100
- Connection: Flanged Diaphragm Valve
- Structure: Angle Type Diaphragm Valve
- Flow Direction: Unidirectional
- Usage: Drain
- Model: Water Treatment Diaphragm Valves
- Color: Black
- Max Pressure: 1MPa
- OEM: Yes
- Chemical Resistant: Yes
- Trademark: Duoling
- Actuator: Electric
- Material: Plastic
- Pressure: Low Pressure
- Function: Solenoid Valve
- Standard: DIN
- Connection Type: Flange or Coupling
- Material: PA6
- Manufacturer: Yes
- Size: 2" - 6"
- Control Way: Air or Liquid
- Origin: Changzhou, China
The water treatment diaphragm valves are designed to be lightweight and rust-free, offering a significant improvement over traditional iron-based valves. These valves are treated with anti-aging materials to prevent degradation from sunlight exposure. Each unit undergoes a pressure test before shipping, ensuring it can withstand up to 15kg of pressure.
Here is an overview of the internal working mechanism:


1. The water treatment diaphragm valve is ideal for use in sand filters, replacing two sets of electric or pneumatic valves, making control more efficient and convenient;
2. Made from PA6 (Nylon) material, this valve can handle a maximum working pressure of 1.0MPa;
3. Features a clamp connection, which makes installation and removal quick and easy;
4. Resists rust and corrosion, suitable for weak acid environments;
5. Offers excellent aging resistance, allowing long-term outdoor use;
6. Operates quickly and reliably, providing stable performance;
7. Easy to replace parts, resulting in lower maintenance costs;
8. The diaphragm is made from advanced rubber material with high elasticity, reinforced with imported high-strength fabric for better rebound performance;
9. Equipped with bilateral dovetail waterproof rubber seals to prevent leakage during operation;
10. Features a top hold hoop for enhanced safety and easier access to internal components;
11. Finished with professional nylon paint, giving it a clean and attractive appearance.
FAQ
Shipping Methods:
1. Express shipping via DHL, TNT, UPS, FEDEX, EMS – ideal for small or urgent orders.
2. Sea freight for bulk orders.
3. Air freight for time-sensitive shipments.
Delivery Time:
Approximately 5–7 days for sample orders and 7–15 days for regular orders after payment is received via T/T or W.U. (excluding weekends).
If we have stock available, we will ship your order immediately upon receipt of payment.
Returns Policy:
Situation 1
If no quality issues are found, returns or refunds will not be accepted. If the issue is not caused by us, we’ll send you replacement parts at your expense.
Situation 2
If the product has quality issues due to our fault, we offer a full refund or replacement within 15 business days of delivery.
Payment Options:
We accept bank transfers (T/T), letters of credit (L/C), Western Union, and cash payments. Please send a scanned copy of your payment receipt via email to speed up processing.
Warranty:
All products come with a minimum 1-year warranty. During this period, if any quality issues arise, we will provide free replacement parts or accept returns as needed.
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Bao Ji Titour Technology Co.,Ltd , https://www.cntitour.com